proficiency

• proficience

From proficient or its etymon, Latin prōficiēns (present participle of prōficiō), +‎ -ency.^[1]

• enPR: prəˈfiSHənsē, IPA^(key): /pɹəˈfɪʃənsi/

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proficiency (countable and uncountable, plural proficiencies)

1. Ability, skill, competence.

   to attain (or to reach) proficiency

   a test of proficiency in English

   • 2012 April 26, Tasha Robinson, “Film: Reviews: The Pirates! Band Of Misfits”, in The Onion AV Club‎^[1]:

     But Pirates! comes with all the usual Aardman strengths intact, particularly the sense that its characters and creators alike are too good-hearted and sweet to nitpick. The ambition is all in the craft rather than in the storytelling, but it’s hard to say no to the proficiency of that craft, or the mild good cheer behind it.

• ability
• command
• competence
• skill
• See also Thesaurus:skill

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “proficiency”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “proficiency” in Roget's Thesaurus, T. Y. Crowell Co., 1911.